Heirloom Tomato Knowledge
Heirloom Tomatoes, Grown Where They Belong
A seasonal guide to North American heirloom tomatoes—their flavors, growing needs, and where to find them at peak ripeness
Tomato: the notable ones
14 notable Tomato entries with photos, dates, makers and origins, from open data.
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Varietal Atlas
Detailed profiles of over 100 heirloom and specialty tomatoes, each with high-resolution photos, flavor descriptors (e.g., 'Green Zebras: bright, citrusy, firm—hold shape when roasted'), origin notes, and best culinary matches based on real-world trial.
See all of Varietal Atlas →01
Brandywine
Heirloom slicing tomato—meaty, low acidity, with deep red layers and a complex sugar-acid balance.
02
Green Zebras
Striped green tomato—acidic-citrus punch, crisp texture, ideal for pickling or unripe tomato tart.
03
Cherokee Purple
Deep crimson with smoky, earthy sweetness—best in salads where its complexity shines.
Grow by Zone
Interactive, USDA zone-specific planting and harvest windows refined by regional data—when to start seeds indoors, prune determinate vs. indeterminate types, and anticipate harvest based on average last frost and soil temp thresholds.
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Zone 9
Fall planting after Aug 1 for late harvest; avoid heat-set failure with shade cloth.
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Chef’s Pantry
Recipe pairings informed by chefs who work daily with underutilized tomatoes—e.g., using Green Zebras in unripe tomato tart with dill oil, or Romanze tomatoes in slow-roasted pasta sauces for concentrated umami depth.
See all of Chef’s Pantry →- Early SpringGreen Zebras in pickled tomato relish for sandwiches and charcuterie boards.
- Late SummerCherokee Purple folded into fresh pasta with browned butter and toasted hazelnuts.
- Early FallGerman Green Boar in roasted tomato soup, balanced with smoked paprika and cream.
Farm Finder
A map-based directory of small-scale farms and nurseries growing heirloom tomatoes—filter by variety (e.g., 'Mr. Stripey', 'Amana Orange'), pickup/delivery options, and harvest timing. Each entry includes notes on growing methods (e.g., 'no-till, compost tea sprays') and sourcing details.
See all of Farm Finder →- 01
New England
Small plots in MA and VT growing Bear Claws and Solar Flares, sold at Saturday farm stands.
- 02
Mid-Atlantic
Community-supported farms offering direct heirloom pickups from July through October.
- 03
Pacific Northwest
Organic nurseries shipping regionally adapted seedlings for late-season plantings.
Grower Notes
Firsthand field logs from small farms—e.g., 'July 12: Solar Flare set dropped in sudden 35°C heat; fruit drop improved with foliar kelp spray'—plus pest patterns, yield surprises, and lessons from season-to-season changes.
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Pest Watch
Tomato hornworm outbreaks peak late June; companion planting with basil and dill reduces damage.
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Weather Notes
Cool, wet springs increase blight risk—raise stakes by trellising and mulching early.
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Harvest Surprises
Cherokee Purple on heavier soil produced 20% fewer fruits but with 1.5× sugar content.
Read more →Buying Playbook
Practical field notes on selecting heirlooms at market—how to distinguish true variety (not just color or size), judge optimal ripeness for short-lived types like Green Zebras vs. storage-tolerant Brandywines, and store cut tomatoes to delay sogginess.
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